Home / 51,154.20-76,601.70-40,786.20

Finding the Fourth Proportional to 51,154.20, 76,601.70 and 40,786.20

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Solution

The fourth proportional to 51,154.20, 76,601.70 and 40,786.20 is: 61,075.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,154.20 : 76,601.70 = 40,786.20 : x
  2. Step 2: Convert to fraction form
    51,154.20/76,601.70 = 40,786.20/x
  3. Step 3: Cross multiply
    51,154.20x = 76,601.70 × 40,786.20
  4. Step 4: Simplify right side
    51,154.20x = 3,124,292,256.54
  5. Step 5: Solve for x
    x = 3,124,292,256.54/51,154.20
  6. Step 6: Final answer
    x = 61,075.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.